Why is it important that a healthy diet does not have a specific macromolecule composition?

The correct answer is - each macromolecule has its own function and role in the body of an organism.

Explanation:

There are four major macromolecules that are essential for the energy and growth and development of an organism, are Proteins, carbohydrates, fat and nucleic acids. Each macromolecule is essential and found in various food sources so any specific macromolecule can not found in a healthy diet.

Proteins play various roles in the body such as support, building blocks, carriers, enzymes, and hormones. On other hand, carbohydrate provides energy for the cells, the transmission of the genetic information will be transferred by a nucleic acid. Fat also helps provide insulation, make lipid membranes.

You would have to find the area of each shape in the pyramid and then add them all up to find the surface area. ( area of a triangle: length x width divided by two; area of a square or rectangle: length x width )